1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_CONST_H 20 #define _UAPI_LINUX_CONST_H 21 #ifdef __ASSEMBLY__ 22 #define _AC(X,Y) X 23 #define _AT(T,X) X 24 #else 25 #define __AC(X,Y) (X ##Y) 26 #define _AC(X,Y) __AC(X, Y) 27 #define _AT(T,X) ((T) (X)) 28 #endif 29 #define _UL(x) (_AC(x, UL)) 30 #define _ULL(x) (_AC(x, ULL)) 31 #define _BITUL(x) (_UL(1) << (x)) 32 #define _BITULL(x) (_ULL(1) << (x)) 33 #define __ALIGN_KERNEL(x,a) __ALIGN_KERNEL_MASK(x, (typeof(x)) (a) - 1) 34 #define __ALIGN_KERNEL_MASK(x,mask) (((x) + (mask)) & ~(mask)) 35 #define __KERNEL_DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) 36 #endif 37